<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>react_extension_内容</title>
    <!-- 引入 bootstrap 的样式 -->
    <link rel="stylesheet", href="css/bootstrap.css">
</head>
<body>
    <!-- 根root -->
    <div id="root"></div>
    
</body>
</html>